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Avaliação da demanda de cloro na oxidação de cianobactérias e relação com a formação de trialometanos

Authors: Elton Santos Franco; Júlia Araújo Camargo; Núbia Aparecida de Aguilar; Ana Flávia de Assis Ferreira; Valter Lúcio de Pádua; Jairo Lisboa Rodrigues; Marcelo Libânio; +1 Authors

Avaliação da demanda de cloro na oxidação de cianobactérias e relação com a formação de trialometanos

Abstract

Este trabalho teve como objetivo avaliar a demanda de cloro e a formação de trialometanos (TAMs) a partir da oxidação de células de Microcystis aeruginosa, espécie de cianobactéria amplamente encontrada nos mananciais brasileiros. O estudo foi realizado em escala de laboratório avaliando 4 parâmetros: dose de cloro, tempo de contato, pH e temperatura, fatores que potencialmente influenciam a formação de subprodutos da desinfecção. Os TAMs foram determinados a partir de adaptação de método analítico de extração líquido líquido (ELL) em um cromatógrafo a gás acoplado à espectrometria de massas (CG–EM), que apresentou ótimo desempenho e economia quando comparado com outras metodologias. Os resultados demonstraram proporcionalidade entre a formação de TAMs e o aumento dos parâmetros analisados. Palavras-chave: Trialometanos. Microcystis aeruginosa. CG-EM.

Keywords

Environmental sciences, microcystis aeruginosa, trialometanos, Environmental engineering, GE1-350, TA170-171, Environmental technology. Sanitary engineering, TD1-1066

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
gold